126264052211220 has 144 divisors (see below), whose sum is σ = 477507688414848. Its totient is φ = 26236686170880.

The previous prime is 126264052211149. The next prime is 126264052211239. The reversal of 126264052211220 is 22112250462621.

126264052211220 is a `hidden beast` number, since 1 + 2 + 6 + 2 + 6 + 4 + 0 + 522 + 1 + 122 + 0 = 666.

It is a super-2 number, since 2×126264052211220² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4554966379 + ... + 4554994098.

It is an arithmetic number, because the mean of its divisors is an integer number (3316025613992).

Almost surely, 2^{126264052211220} is an apocalyptic number.

126264052211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126264052211220 is an abundant number, since it is smaller than the sum of its proper divisors (351243636203628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126264052211220 is a wasteful number, since it uses less digits than its factorization.

126264052211220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9109960510 (or 9109960505 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 126264052211220 in words is "one hundred twenty-six trillion, two hundred sixty-four billion, fifty-two million, two hundred eleven thousand, two hundred twenty".